Reply to Welling's inquiry about Sidney Rigdon's involvement in the Church. Includes discussion about how Sidney Rigdon obtained a copy of the Book of Mormon from Parley P. Pratt, events surrounding the dedication of the Kirtland Temple, Rigdon's attempt to lead the Church, and Joseph Smith's practice of plural marriage.
Also includes an account of John W. Rigdon's visit with his mother, accompanied by Emma Smith and Joseph Smith III, to the Liberty Jail to visit Joseph Smith and Sidney Rigdon.
In this account John W. Rigdon states that Joseph Smith did not ordain his son, Joseph III, to succeed him at that time. Variant accounts containing similar information can also be found in records cataloged as MS 3011, MS 3516, and MS 2848.
Source